ST

Shigehiro Takegawa

TC Teikoku Hormone Mfg. Co.: 7 patents #5 of 112Top 5%
AC Aska Pharmaceutical Co.: 1 patents #41 of 69Top 60%
Overall (All Time): #659,561 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7449466 Cyclic aminophenyl sulfamate derivative Shigeki Iwashita, Makoto Okada, Takayoshi Nakagawa, Naoyuki Koizumi, Tomohito Fujii 2008-11-11
6762205 Phenyl sulfamate derivatives Naoyuki Koizumi, Makoto Okada, Shigeki Iwashita, Takayoshi Nakagawa, Hiroo Takahashi +1 more 2004-07-13
6087347 3-substituted-D-homo-1,3,5(10)-estratriene derivatives Naoyuki Koizumi, Shigeki Iwashita, Tomoko Kawachi, Mamoru Mieda, Tomohito Fujii 2000-07-11
5539127 7-substituted oxa- or azasteroid compound Naoyuki Koizumi, Shigeki Iwashita, Tomoko Kawachi, Fumiko Inoue, Seijiro Honma +4 more 1996-07-23
5519051 Oxa- or azasteroid derivatives Naoyuki Koizumi, Shigeki Iwashita, Tomoko Kawachi, Teruaki Matsui, Seijiro Honma +5 more 1996-05-21
5472962 Benzothiophene derivative Naoyuki Koizumi, Shigeki Iwashita, Tomoko Kawachi, Teruaki Matsui, Mamoru Mieda +3 more 1995-12-05
4914106 Compositions and methods employing 2-oxa- or -aza-pregnan compounds for inhibiting androgen or supplying progestin in mammals Kenyu Shibata, Nobuaki Yamakoshi, Naoyuki Koizumi, Eiichiro Shimazawa, Mamoru Mieda 1990-04-03
4785103 2-oxa- or -aza-pregnane compounds Kenyu Shibata, Nobuaki Yamakoshi, Naoyuki Koizumi, Eiichiro Shimazawa, Mamoru Mieda 1988-11-15